Fisheries in a border area of the Moxos Lowlands (Bolivia) after invasion of <i>Arapaima gigas</i>

Fish in the upper Madeira River basin (Bolivian Amazon) are an important source of livelihoods and protein for both rural urban human populations. We characterised fisheries area port city Riberalta, which possesses some most landing sites bordering Moxos lowlands, evaluated contribution invasive species (Arapaima gigas) to landings. compared regional economic urban-based indigenous fisheries. Both contribute significantly local food security take advantage a different but complementary way abundance species, avoiding conflicts by partitioning fish catch supplying markets. fisher groups involved debt peonage system making them dependent on middlemen. A. gigas represented 57.6% overall value region. The socioeconomic impact might increase considerably if it would invade colonise available habitats nuclear lowlands.